A mathematical sentence combines two expressions with a comparison operator to create a fact that may be either true or false. Possible comparison operators are "equal," "not equal," "greater than," "less than," "greater than or equal to" and "less than or equal to." Mathematical expressions containing the "equal" sign are considered equations; those containing the "inequality" symbol are considered inequalities.
Continue ReadingA mathematical sentence makes a statement about the relationship between two expressions. An expression is composed of numbers, variables or a combination of both and are sometimes joined by operators such as "+," "-," "/" or "*."
Examples of equations are:
Examples of inequalities are:
A "basic fact" in math is defined as any mathematical number, fact or idea instantly recalled without resorting to strategies, according to NZCER.org. The main basic facts encountered in math are "whole-number" basic facts, in particular multiplication, addition, division and subtraction.
Full Answer >In math, FOIL is an acronym that reminds people how to expand the multiplication of two expressions in parentheses. FOIL stands for First, Outside, Inside, and Last, which is the order in which one should multiply the terms in the parentheses.
Full Answer >The comparison operator “not equal” in Microsoft Excel is used to compare whether one of two numerical values is less than or greater than the other. It is represented using the “less than” and “greater than” mathematical symbols as “<>”.
Full Answer >There are 43 numbers between one and 100 that are divisible by three or seven. These numbers include 29 numbers that are only divisible by three, 10 numbers that are only divisible by seven, and four numbers that are divisible by both three and seven.
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